Structured uncertainty and the graph topology
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A new metric on the space of linear time-invariant continuous-time systems is defined. This metric is no greater than the gap metric and is in fact the smallest metric for which a certain robust stabilization result holds. Unlike all other known metrices which induce the graph topology, it has an obvious frequency response interpretation. This allows questions regarding stability robustness in the face of parametric uncertainty to be considered terms of this metric.<<ETX>>
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